Knob tool



FIG. 1 depicts a perspective view of bottom side of the knob tool.

FIG. 2 depicts a perspective view of top side of the knob tool.

FIG. 3 depicts a left-side view of the knob tool.

FIG. 4 depicts a right-side view of the knob tool.

FIG. 5 depicts a bottom view of the knob tool; and,

FIG. 6 depicts a top view of the knob tool. 

CLAIM The ornamental design for a knob tool, as shown and described. 